what kind of sound will this give me in the distortion area?

Distortion doesn't come from just this tube, and in fact in most circuits that are specially designed to get distortion from the 12ax7, this one will probably exhibit the least amount. The LPS is a very clean tube and I've used it mostly in my Hi Fi equipment, not in my guitar amp. JJ/Tesla is where you want to go--I find that one to have a more distorted character when driven in the right circuit.

Does the "original version" have the "rounded square shape" mica? or is this the newer "toothed" mica? thank you much.

Newer version. I wasn’t impressed with the tone of the tube to be honest

will these fit in my 1987 laney AOR 50 watt head?

Yes, the 12AX7LPS should work perfectly with your AOR 50.

What are the sovtek 12ax7lps compaired to the jj's in a marshall 2205 amp?

I've always used the Sovtek ax7 LPS in the Phase Inverter position on my Vox and Egnater amps. Purportedly to be the best spot for them. I have never been a big JJ fan ( although I am currently trying a JJ ECC 803 12ax7 Hi Perf tube in P.I. slot in the Egnater - sounds fine ) I am sure the Sovtek LPS would be fine PI tube for the Marshall

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Sovtek 12AX7LPS Vacuum Tube (Original Version)

Product ID: 2518030

⚡Amplification Factor 100 for powerful gain

🔌9-pin miniature socket for seamless integration

🔥Crunchy overdrive fizz for dynamic tone

NZ$89

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Description

🎸 Ignite your tone with Sovtek’s crunchy Russian power!

WARM RICH BALANCED TONE - Experience full-bodied sound that commands attention
TRUSTED RUSSIAN CRAFTSMANSHIP - Original Sovtek tube delivering consistent pro-level performance
POWERFUL 9 PIN MINIATURE DESIGN - Compact yet robust connection for your amp
HIGH AMPLIFICATION FACTOR OF 100 - Boost your sound with intense gain and clarity
CRUNCHY OVERDRIVE WITH SMOOTH PRESENTATION - Add character and edge without harshness

The Sovtek 12AX7LPS is a 9-pin miniature preamp vacuum tube featuring a high amplification factor of 100. Known for its warm, rich, and balanced sound profile, it delivers smooth high gain with a distinctive crunchy overdrive fizz. Crafted in Russia, this original Sovtek tube is a favorite among guitarists seeking reliable, full-bodied tone enhancement for their amplifiers.

Specifications

ASIN	B0002M71VC
Amplifier Type	Tube
Best Sellers Rank	#23,145 in Musical Instruments ( See Top 100 in Musical Instruments ) #68 in Guitar Amplifier Tubes
Brand	Sovtek
Color	Original Version
Connector Type	9-pin miniature socket
Customer Reviews	4.5 out of 5 stars 185 Reviews
Enclosure Material	Metal
Item Weight	0.05 Pounds
Manufacturer	Sovtek
Material	Metal
Mfr Part Number	12AX7LPS
Model Name	12AX7LPS
Model Number	4308828238
Sound Profile	Warm, Rich, Balanced with Crunchy Distortion
UPC	844632021947
Unit Count	1.0 Count

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NZ$89

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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