tubes 4 hifi
 "the path of least resistance is through a vacuum"

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ST35 amplifier

this is our new low-powered tube amp, available as KIT or ASSEMBLED




This is based on a popular amplifier kit that sells for $1200, our basic KIT price is $595 or ASSEMBLED for $795 (plus tubes)
Standard configuration is a pure tube amplifier, with one pair of inputs, two pair of speaker outputs, and a power switch.
The basic kit includes the RCA jacks and speaker connectors, but no holes drilled in the front or rear panels.
The deluxe kit includes Custom Machined front and rear panels as shown in the photos above.
This is a push-pull tube amp using four of the great sounding EL84 tubes, with 6BL8/ECF80 type tubes as drivers. Auto-bias, no adjustments needed.

Pre-Assembled/Tested PCB, transformer set, and tube set available separately for DIY builders.
BASIC full kit $595
plus $30 shipping in USA
(tubes not included)
BASIC fully assembled ST35 amp $795
plus $40 shipping in USA
(tubes not included)
PCB (pre-assembled/tested) $100
not including tubes or transformers
standard transformer set $250 plus $15 shipping
tube set $150
4 - EH EL84, 2 NOS ECF80
add $85 custom machined REAR panel
(1pr RCAs IN, 2pr triple speaker posts, AC power)
add $75 custom machined FRONT panel
(power switch & LED)
integrated amp configuration -
add $30 for 2 more pairs of RCAs
and rotary selector switch/knob
DELUXE version includes machined front and rear panels
as photos above
gold RCA inputs, 2 pair speaker outputs (4 & 8 ohm),
power switch and LED.
KIT is $755 plus $30 shipping in USA (tubes not included)
DELUXE version includes machined front and rear panels
as photos above
gold RCA inputs, 2 pair speaker outputs (4 & 8 ohm),
power switch and LED.
ASSEMBLED/TESTED/WARRANTIED
$1055 plus $40 shipping in USA (tubes not included)
add $30 for volume control and knob

also, upgrade to any output capacitors of your preference, just ask for price via email
upgrade to SoniCap, AuriCap, ThetaCap, Mundorf-EVO , or whatever you like!


Mundorf EVO oil caps $60 for four


check out this review from a customer

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 tubes 4 hifi
 "the path of least resistance is through a vacuum"