Difference between revisions of "Moth Group Series 30"

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{{navigationW}}
  
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[[Kategorie:Gerätedatenbank]]
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[[Category:Device Database]]
 
[[en:Moth 30 Series]]
 
[[en:Moth 30 Series]]
  
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<div align="right">[[Moth Group| ''zurück zur'' '''Moth Group''' ''Herstellerseite'']]</div>
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<div align="right">[[Moth Group| ''back to'' '''Moth Group''' ''manufacturer page'']]
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</div>
 
__NOTOC__
 
__NOTOC__
  
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Britisches Understatement Verstärkerkonzept.  
+
British understatement amplifier design. <br>
−
Hergestellt unter Lizenz von '''[http://www.stancurtis.com/index.htm Stan Curtis Product Designs]'''
+
Manufactured under license from '''[http://www.stancurtis.com/index.htm Stan Curtis Product Designs]]'''
  
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= Daten =
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= Data =
  
 
<div style="background:white; float:right; margin-left:5px; padding:0px; border:1px solid gray; width:13em">
 
<div style="background:white; float:right; margin-left:5px; padding:0px; border:1px solid gray; width:13em">
 
<div style="background:#FAFAFA; font-size:100%; line-height:100%; padding: 1.5em; border-bottom:1px solid gray;">
 
<div style="background:#FAFAFA; font-size:100%; line-height:100%; padding: 1.5em; border-bottom:1px solid gray;">
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[[Bild: Moth_Group_logo.jpg |right]]  
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[[Image: Moth_Group_logo.jpg |right]]  
 
</div>
 
</div>
 
<div style="padding-left: 25px; padding-top: 10px; font-size: 100%;"></div>
 
<div style="padding-left: 25px; padding-top: 10px; font-size: 100%;"></div>
 
* RIAA PhonoPre
 
* RIAA PhonoPre
 
* Passive Control Unit
 
* Passive Control Unit
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* 30 Series Stereo
+
* 30 Series Stereo Amp
−
* 40 Series Mono
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* 40 Series Mono Amp
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* 60 Series Mono
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* 60 Series Mono Amp
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* 100 Series Mono
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* 100 Series Mono Amp
 
</div>
 
</div>
  
  
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==Allgemein==
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==General==
 
{|border="0"  
 
{|border="0"  
 
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!width="200px" |
 
!width="200px" |
 
|-
 
|-
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| Hersteller: || [[Moth Group|'''Moth Group''']] ||
+
| Manufacturer: || [[Moth Group|''Moth Group'']] ||
 
|-
 
|-
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| Modell: || 30 Series ||
+
| Model: || 30 Series ||
 
|-
 
|-
−
| Baujahre: || ||
+
| years of construction: || from 1989 ||
 
|-
 
|-
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| Hergestellt in: || [http://en.wikipedia.org/wiki/Bedford Bedford, England] ||
+
| Manufactured in: || [http://en.wikipedia.org/wiki/Bedford Bedford, England] ||
 
|-
 
|-
−
| Farbe: ||  
+
| Colour: ||  
−
* Front: Holz oder Holz schwarz,  
+
* Front: wood or wood black,  
−
* Gehäuse: schwarz
+
* Cabinet: black
 
|-
 
|-
−
| Fernbedienung: || nein ||
+
| Remote control: || no ||
 
|-
 
|-
−
| Leistungsaufnahme: || ||
+
| Power consumption: || ||
 
|-
 
|-
−
| Abmessungen: (BxHxT) || ||
+
| Dimensions: (WxHxD) || ||
 
|-
 
|-
−
| Gewicht: || ||
+
| Weight: || ||
 
|-
 
|-
−
| Neupreis ca.: ||  
+
| New price approx.: ||  
 
* Passive Control Unit:
 
* Passive Control Unit:
 
* Stereo Amplifier 30W:
 
* Stereo Amplifier 30W:
Line 59: Line 59:
 
175.- &pound; ( 225.- € ) <br>
 
175.- &pound; ( 225.- € ) <br>
 
275.- &pound; ( 352.- € )
 
275.- &pound; ( 352.- € )
 +
|-
 +
| Price (1992) approx: ||
 +
* Passive Control Unit:
 +
* Stereo Amplifier 30W:
 +
* Phone Pre
 +
|
 +
480.- DM <br>
 +
760.- DM <br>
 +
650.- DM
 
|-
 
|-
 
|}
 
|}
  
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==Anschlüsse==
+
==Connections==
 
===Passive Control Unit===
 
===Passive Control Unit===
 
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!width="200px" |
 
!width="200px" |
 
|-
 
|-
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| '''Anzahl der Eingänge:''' || 5 ||
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| '''Number of inputs:''' || 4 ||
 
|-
 
|-
 
|
 
|
−
* Hochpegel:  
+
* High level:  
−
|| 5 ||  
+
|| 4 ||  
 
|-
 
|-
 
|
 
|
−
** Eingangsimpendanz
+
** Input impedance
 
|| 10 k&Omega;
 
|| 10 k&Omega;
 
|-
 
|-
−
| '''Anzahl der Ausgänge:''' || 1 ||
+
| '''Number of outputs:''' || 2 ||
 
|-
 
|-
 
|
 
|
−
* Vorverstärkerausgang:
+
* Preamplifier output:
 +
|| 1 ||
 +
|-
 +
|
 +
* Tape:
 
|| 1 ||
 
|| 1 ||
 
|}
 
|}
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!width="200px" |
 
!width="200px" |
 
|-
 
|-
−
| '''Anzahl der Eingänge:''' || 1 ||
+
| '''Number of inputs:''' || 1 ||
 
|-
 
|-
 
|
 
|
−
* Hochpegel:  
+
* High level:  
 
|| 1 ||  
 
|| 1 ||  
 
|-
 
|-
 
|
 
|
−
** Eingangsimpendanz
+
** Input impedance
 
|| 75 k&Omega;
 
|| 75 k&Omega;
 
|-
 
|-
 
|
 
|
−
* Netz:  
+
* Mains:  
 
|| 220 V ||  
 
|| 220 V ||  
 
|-
 
|-
−
| '''Anzahl der Ausgänge:''' || 1 ||
+
| '''Number of outputs:''' || 1 ||
 
|-
 
|-
 
|
 
|
−
* Stereo Lautsprecherausgang
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* Stereo speaker output
 
|| 1 ||
 
|| 1 ||
 
|}
 
|}
  
−
==Technische Daten==
+
==Technical data==
  
 
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!width="200px" |
 
|-
 
|-
−
| Dauerleistung
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| continuous power
 
|-
 
|-
 
|
 
|
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|| 2 x 30 W  
 
|| 2 x 30 W  
 
|-
 
|-
−
| Gesamtklirrfaktor: || < 0 .. 0,05 % (bei 25 W an 8 &Omega;)
+
| Total harmonic distortion: || &lt; 0 .. 0.05 % (at 25 W at 8 &Omega;)
 
|-
 
|-
−
| Klangregelung: ||
+
| tone control: ||
 
|-
 
|-
 
|
 
|
 
* Balance:  
 
* Balance:  
−
|| nein
+
|| no
 
|-
 
|-
 
|
 
|
 
* Bass:  
 
* Bass:  
−
|| nein
+
|| no
 
|-
 
|-
 
|
 
|
−
* Höhen:  
+
* Treble:  
−
|| nein
+
|| no
 
|-
 
|-
−
| Loudness: || nein
+
| Loudness: || no
 
|-
 
|-
−
| High Filter: || nein
+
| High Filter: || no
 
|-
 
|-
−
| Low Filter (Subsonic): || nein
+
| Low Filter (Subsonic): || no
 
|-
 
|-
−
| Mute: || nein
+
| Mute: || no
 
|-
 
|-
−
| Direct/Line-Straight: || ja
+
| Direct/Line-Straight: || yes
 
|}
 
|}
  
−
==Besondere Ausstattungen==
+
==Special features==
  
−
''/Quelle: Moth 30 Series - Hinweise zum Gebrauch''
+
''/Source: Moth 30 Series - Instructions for use''
  
−
== Bemerkungen ==
+
== Remarks ==
  
−
Die Moth Verstärkerserie sind an britischem Understement wohl kaum noch zu unterbieten. Schwarze Kiste mit 2cm dickem Holzbrett als Front. Einziger Luxus ist die rote "Power On" Leuchtdiode.  
+
The Moth amplifier series are probably hard to beat for British understatement. Simple black box with 2 cm thick wooden board as front. The only luxury is the red "Power On" LED.  
  
−
Der Vorverstäkere ist passiv, d.h. er benötigt keine Stromversorgung, hat aber alle notwendigen Eingänge.  
+
The preamp is passive, i.e. it needs no power supply, but has all necessary inputs.  
−
Für den Phonofreund gibt es ein weiteres Kistchen mit einen RIAA Entzerrer (Phonovorverstärker) mit zwei unterschiedlichen Netzteilen zur Auswahl. Das 12 VA Netzteil kommt als Steckernetzteil (soviel ich weiss), das 100 VA Netzteil im gleichen Gehäuse wie die Endstufe
+
For the phono enthusiast there is another box with an RIAA equalizer (phono preamp) with two different power supplies to choose from. The 12 VA power supply comes as a plug-in power supply (as far as I know), the 100 VA power supply in the same box as the power amp.
  
−
Vom Klang dieser kleinen Kistchen waren bisher alle begeistert, denen ich sie vorgeführt habe. Leider in Deutschland kaum zu bekommen.
+
The power amplifiers are available as the here described
 +
30 W stereo power amplifier,  
 +
* as 2 x 40 W
 +
* and 2 x 60 W mono power amplifiers
 +
* and as a 3-piece 2 x 100 W mono power amplifier, whereby the two power supply units are swapped out into a third cabinet.
  
−
=Bilder=
+
Developer is Stan Curtis, known for his developments at [[Cambridge Audio]], [[Rotel]], [[Quad]], [[Warfedale]], [[IAG]] and others.
−
[[Bild:Moth_30Series_3DView.JPG]]
+
   
−
  ''Abbildung 1:'' '''Moth''' 30 Series - Passive Kontrolleinheit und Stereo-Enstrufe (c) Hifi-Wiki
+
So far, everyone I've shown them to has been thrilled by the sound of these little boxes. Unfortunately hardly to get in Germany.
  
−
[[Bild:Moth_30Series_Rückansicht.JPG]]
+
=Pictures=
−
  ''Abbildung 1:'' '''BRAUN''' 30 Series - Rückansicht der passiven Kontrolleinheit und der Stereoendstufe (c) Hifi-Wiki
+
[[Image:Moth_30Series_3DView.JPG]]
−
  von links nach rechts:
+
  ''Figure 1:'' '''Moth''' 30 Series - Passive control unit and stereo enclosures (c) Author.
−
  * Main out
+
 
−
  * Tape out
+
[[Image:Moth_30Series_RearView.JPG]]
 +
  ''Figure 2:'' '''Moth''' 30 Series - rear view of passive control unit and stereo power amplifier (c) Author. <br>
 +
  '''Passive Control Unit''' ''(from left to right)''':
 +
<br>
 +
  * Preamplifier output
 +
  * Tape output
 
  * Cd
 
  * Cd
 
  * Tuner
 
  * Tuner
−
  * Aux One
+
  * Aux 1
−
  * Aux Two
+
  * Aux 2
 +
<br>
 +
'''Stereo power amp:'''
 +
<br>
 +
* Source Input
 +
* Loudspeaker connections
 +
 
 +
=Reports=
  
−
=Berichte=
+
=Sources=
  
−
=Quellen=
+
* All images (c) Author of the article
  
−
* Alle Abbildungen (c) Verfasser des Artikels
+
* STEREO 01/1992 P. 160-161
 +
 +
Comparison test "High End for beginners: pre-power amplifier combination under 2000 Mark" with
 +
* [[Linn Pretek]] / [[Linn Powertek]] and
 +
* [[Rotel RC-960 BX]] / [[Rotel RB-960 BX]] <br>
 +
 +
STEREO recommendation: very good ** (price/performance: favourable) for Moth Passic Control, Phono Pre Amp and Power Amp
  
−
=Tips zum Gebrauchtkauf=
+
=Tips for buying used
  
 
=Links=
 
=Links=
  
−
* [http://www.stancurtis.com/index.htm Entwickler Stan Curtis]
+
* [http://www.stancurtis.com/index.htm Developer Stan Curtis]
  
 
* [http://www.britishaudio.co.uk/aboutus.htm Britsch Audio Products]
 
* [http://www.britishaudio.co.uk/aboutus.htm Britsch Audio Products]
  
−
* [http://store.securehosting.com/stores/sh204131/shophome.php Moth Bezugsadresse]
+
* [http://store.securehosting.com/stores/sh204131/shophome.php Moth reference address]
  
−
* [http://www.stancurtis.com/downloads.htm Stromlaufpläne der Moth 30 Serie] zum Download
+
* [http://www.stancurtis.com/downloads.htm Moth 30 Series Circuit Diagrams] download
  
−
<div align="right">[[Moth Group| ''zurück zur'' '''Moth Group''' ''Herstellerseite'']]</div>
+
<div align="right">[[Moth Group| ''back to'' '''Moth Group''' ''manufacturer's page'']]</div>
  
−
[[Kategorie:Endstufen]]
+
[[Category:Power Amplifiers]]
−
[[Kategorie:Vorstufen]]
+
[[Category:Preamplifiers]]</br></br></br></br></br></br></br></br></br>

Latest revision as of 13:42, 17 December 2011


British understatement amplifier design.
Manufactured under license from Stan Curtis Product Designs]

Data[edit]

Moth Group logo.jpg
  • RIAA PhonoPre
  • Passive Control Unit
  • 30 Series Stereo Amp
  • 40 Series Mono Amp
  • 60 Series Mono Amp
  • 100 Series Mono Amp


General[edit]

Manufacturer: Moth Group
Model: 30 Series
years of construction: from 1989
Manufactured in: Bedford, England
Colour:
  • Front: wood or wood black,
  • Cabinet: black
Remote control: no
Power consumption:
Dimensions: (WxHxD)
Weight:
New price approx.:
  • Passive Control Unit:
  • Stereo Amplifier 30W:

175.- £ ( 225.- € )
275.- £ ( 352.- € )

Price (1992) approx:
  • Passive Control Unit:
  • Stereo Amplifier 30W:
  • Phone Pre

480.- DM
760.- DM
650.- DM

Connections[edit]

Passive Control Unit[edit]

Number of inputs: 4
  • High level:
 4
    • Input impedance
 10 kΩ
Number of outputs: 2
  • Preamplifier output:
 1
  • Tape:
 1

Power Amplifier[edit]

Number of inputs: 1
  • High level:
 1
    • Input impedance
 75 kΩ
  • Mains:
 220 V
Number of outputs: 1
  • Stereo speaker output
 1

Technical data[edit]

continuous power
  • 8 Ohm:
 2 x 30 W
Total harmonic distortion: < 0 .. 0.05 % (at 25 W at 8 Ω)
tone control:
  • Balance:
 no
  • Bass:
 no
  • Treble:
 no
Loudness: no
High Filter: no
Low Filter (Subsonic): no
Mute: no
Direct/Line-Straight: yes

Special features[edit]

/Source: Moth 30 Series - Instructions for use

Remarks[edit]

The Moth amplifier series are probably hard to beat for British understatement. Simple black box with 2 cm thick wooden board as front. The only luxury is the red "Power On" LED.

The preamp is passive, i.e. it needs no power supply, but has all necessary inputs. For the phono enthusiast there is another box with an RIAA equalizer (phono preamp) with two different power supplies to choose from. The 12 VA power supply comes as a plug-in power supply (as far as I know), the 100 VA power supply in the same box as the power amp.

The power amplifiers are available as the here described 30 W stereo power amplifier,

  • as 2 x 40 W
  • and 2 x 60 W mono power amplifiers
  • and as a 3-piece 2 x 100 W mono power amplifier, whereby the two power supply units are swapped out into a third cabinet.

Developer is Stan Curtis, known for his developments at Cambridge Audio, Rotel, Quad, Warfedale, IAG and others.

So far, everyone I've shown them to has been thrilled by the sound of these little boxes. Unfortunately hardly to get in Germany.

Pictures[edit]

Moth 30Series 3DView.JPG 

Figure 1: Moth 30 Series - Passive control unit and stereo enclosures (c) Author.

File:Moth 30Series RearView.JPG 

Figure 2: Moth 30 Series - rear view of passive control unit and stereo power amplifier (c) Author. 

Passive Control Unit' (from left to right):


* Preamplifier output
* Tape output
* Cd
* Tuner
* Aux 1
* Aux 2


Stereo power amp:


* Source Input
* Loudspeaker connections

Reports[edit]

Sources[edit]

  • All images (c) Author of the article
  • STEREO 01/1992 P. 160-161
Comparison test "High End for beginners: pre-power amplifier combination under 2000 Mark" with 
* Linn Pretek / Linn Powertek and 
* Rotel RC-960 BX / Rotel RB-960 BX 


STEREO recommendation: very good ** (price/performance: favourable) for Moth Passic Control, Phono Pre Amp and Power Amp

=Tips for buying used

Links[edit]










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