TWchinese English
MY ACCOUNT    CART CONTENTS    CHECKOUT   
HOME CATEGORIES SPECIAL REVIEW SITE MAP CONTACT US
Home » Categories » DIY Kit » Tube Pre-amp » M-7 (RA)


SEARCH



CURRENCIES

BESTSELLERS

01.Two Single OP-Amp to One Dual Op-Amp Adapter
02.Two single SMT Op-Amp to Dual Op-Amp 8-pin DIP Adapter
03.LS-29
04.LS-37 assembled & tested
05.LS-37 bare board
06.LS-59 (Modify SL-1) bare board
07.LS-58 6SN7 bare board
08.LS-19 assembled & tested
09.LS-24 bare board
10.LS-22 bare board
11.LS-59 (Modify SL-1) assembled
12.LS-7B bare board
13.LS-19 bare board
14.LS-22 assembled & tested
15.LS-9 bare board
16.LS-24 assembled & tested
17.LS-25 bare board
18.LS-26 assembled & tested
19.LS-26 bare board
20.LS-69 bare board
LS-7B up-grade version
[M-7 (RA)]
US$211

Modify from classic Marantz 7 preamp, circuit using two 12AX7 and one 12AU7, to lower the output impedance, a cathode follower is used.
A tube high voltage regulator and rectify using 5687
a time delay circuit, a heater voltage regulator using LM317,Analog section up-grade toGerman made GAD coupling capacitor,RA metal film resistor.
(tubes are not included )

board size: L 280mm X W 200mm
(case and power transformer not included)

This product was added to our catalog on Saturday 01 November, 2008.
Reviews
Customers who bought this product also purchased
extension rod for MV series
extension rod for MV series
100W R-Core Transformers
100W R-Core Transformers
A-28-A
A-28-A
MANUFACTURER INFO

Other products
MANUFACTURERS

SHOPPING CART more

0 items
WHAT'S NEW? more

SL-9.4
SL-9.4
US$149
TELL A FRIEND

 

Tell someone you know about this product.
REVIEWS more

Write Review
Write a review on this product!


Signal Reference