1W x 2  single-ended power amplifier (Headphone amp)

This is one of our top model single-ended power amplifiers. Although it only has 1Wrms, it can drive a pair of speakers with 90db/W efficiency to a reasonable loudness level. It is also a very high quality headphone amplifier, super quiet, super warm and rich sounding, with good body and density. The output transformer uses a NOS UTC 2W wide band transformer 600:8ohm type.

Some of the above photos show the special version of the SE-6AS7G, which employs a HPF (high pass filter) switch to select either full range or high frequencies. Another pair of pre-amp RCA outputs can be added to let this amp perform as a transformer output pre-amplifier. A pre-amp / power amp switch can alternate between speaker output or pre-amp output. This option will cost an additional C$300.

We now have an up-graded version with 2Wrms/ch output with an enhanced transformer for an additional C$200.

 

Specifications

No. of inputs	1 set of RCA inputs
No. of outputs	1 set of speaker outputs ( 4-16 ohm) + one 3/4 phone jack (option)
Freq response	10Hz - 40Khz (-3db)  (500Hz-40Khz for build-in HPF )
S/N	>80 db
Phase	non-inverted (option: inverted)
manufacturing	hand-wired point to point
Tubes used	2 x 6SN7/6SL7/12AU7 + 2 x 6AS7G
Output power /channel	1Wrms pure class A, single-ended

add C$150 to add high-pass-filter and selector switch

add C$300 to add both HPF+sw , pre-out+sw

add C$100 for solid oak chassis

add C$$200 for enhanced power transformer and 2Wmrs/ch power output

(price for standard chassis, shipping not included)

1 year parts and labor warranty, tubes 90 days under normal operation conditions

standard chassis : Gold/Silver/Red/Green/Blue/ Black Metallic MDF , Aluminum chassis

(optional chassis : Mirror steel, black piano , solid-oak )